President Obama didn’t make any phone calls the night of the Sept. 11 attacks on the U.S. Consulate in Benghazi, Libya, the White House said in a letter to Congress released Thursday. “During the entire attack, the president of the United States never picked up the phone to put the weight of his office in the mix,” said Sen. Lindsey Graham, South Carolina Republican, who had held up Mr. Obama’s defense secretary nominee to force the information to be released. Mr. Graham said that if Mr. Obama had picked up the phone, at least two of the Americans killed in...